Specification:
LCD Display
12/24 hour format Display.
Temperature measuring range:Indoor:-20~50°C, Outdoor:-50°~C--70°C (Lcing alarm display will turn on as temperature lower 1-4°C)
C/F temperature format display.
MAX. and MIN. temperature record.
Temperature tendency function.
Inspect and display real time automobile storage battery voltage.
Alarm voice and lamp will turn on as voltage icon shows excessive or too low.
Orange and blue backlight display.
Performance:
Press HOUR key to adjust the hour vale.
Press MIN key to adjust the minute vale.
Holding °C/°F key to select 12/24 hour format.
Press °C/°F key to select °C/°F display.
press the key MAN/MIN to switch the real time temperatureMIN. temperature and MAX. temperature.
Size:13.5 x 3.5 x 2.5cm

Simple to replace: Simple design, easy to install and use
package:
1 x Car Voltage Measuring & Clock Thermometer
1 x User Manual